/*
 * Copyright (c) 2007 Team and Concepts Limited.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Team and Concepts Limited nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY TEAM AND CONCEPTS LIMITED ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL TEAM AND CONCEPTS LIMITED BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.editgrid.api.client;

import java.io.*;
import org.apache.commons.httpclient.*;
import org.apache.commons.httpclient.util.*;

public class Authentication {
	public static String getToken(URI baseUri, String appId)
			throws IOException, HttpException, EditGridServiceException {
		EditGridHttpRequest req;
		try {
			req = new EditGridHttpRequest("GET", new URI(baseUri, "auth/get-token", true), appId);
		} catch (URIException e) {
			throw new IllegalStateException(e);
		}

		EditGridHttpResponse res = req.getResponse();
		if (res.getStatusCode() == 200) {
			return res.getResponseText();
		} else {
			throw new EditGridServiceException(res.getResponseText());
		}
	}
	
	public static String getToken(URI baseUri, String appId, String authKey)
			throws IOException, HttpException, EditGridServiceException {
		EditGridHttpRequest req;
		try {
			req = new EditGridHttpRequest("POST", new URI(baseUri, "auth/get-token", true), appId);
		} catch (URIException e) {
			throw new IllegalStateException(e);
		}
		req.setContentType("application/x-www-form-urlencoded");
		try {
			req.setRequestBody("auth=" + URIUtil.encodeQuery(authKey));
		} catch (URIException e) {
			throw new IllegalArgumentException(e);
		}
		
		EditGridHttpResponse res = req.getResponse();
		if (res.getStatusCode() == 200) {
			return res.getResponseText();
		} else {
			throw new EditGridServiceException(res.getResponseText());
		}
	}
	
	public static String getToken(URI baseUri, String appId, String login, String password)
			throws IOException, HttpException, EditGridServiceException {
		EditGridHttpRequest req;
		try {
			req = new EditGridHttpRequest("POST", new URI(baseUri, "auth/get-token", true), appId);
		} catch (URIException e) {
			throw new IllegalStateException(e);
		}
		req.setContentType("application/x-www-form-urlencoded");
		try {
			req.setRequestBody("login=" + URIUtil.encodeQuery(login)
					+ "&password=" + URIUtil.encodeQuery(password));
		} catch (URIException e) {
			throw new IllegalArgumentException(e);
		}
		
		EditGridHttpResponse res = req.getResponse();
		if (res.getStatusCode() == 200) {
			return res.getResponseText();
		} else {
			throw new EditGridServiceException(res.getResponseText());
		}
	}
	
	public static String getToken(URI baseUri, String appId, String organisation, String login, String password)
			throws IOException, HttpException, EditGridServiceException {
		return getToken(baseUri, appId, organisation + "/" + login, password);
	}
	
	public static void RevokeToken(URI baseUri, String appId, String apiToken)
			throws IOException, HttpException, EditGridServiceException {
		EditGridHttpRequest req = new EditGridHttpRequest("GET", new URI(baseUri, "auth/revoke-token", true), appId);
		req.getResponse().close();	
	}
}
